121st Street over Mission Creek
FairWyandotte County, Kansas · 0.05 Miles North of K-32 · Structure no. 503001050000001
- Built
- 1997
- 28 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Concrete
- Length
- 50 ft
- 4 main spans
- Daily traffic
- 175
- 2018 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
121st Street over Mission Creek is a concrete culvert carrying 121st Street over Mission Creek in Wyandotte County, Kansas. It was built in 1997, so it is 28 years old, younger than the Kansas average of 52.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 175 vehicles a day, roughly 50% of them trucks, projected to reach 214 by 2041. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 8.1 mi (13 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 121st Street over Mission Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is 121st Street over Mission Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.
How much traffic does 121st Street over Mission Creek carry?
About 175 vehicles per day (2018 count), of which roughly 50% are trucks.
How long is 121st Street over Mission Creek?
The structure is 50 ft (15.2 m) long with a longest span of 12 ft (3.6 m).
Who owns 121st Street over Mission Creek?
It is owned by the City or Municipal Highway Agency.